GB515025A - Improvements in or relating to dehydration by azeotropic distillation - Google Patents
Improvements in or relating to dehydration by azeotropic distillationInfo
- Publication number
- GB515025A GB515025A GB15203/38A GB1520338A GB515025A GB 515025 A GB515025 A GB 515025A GB 15203/38 A GB15203/38 A GB 15203/38A GB 1520338 A GB1520338 A GB 1520338A GB 515025 A GB515025 A GB 515025A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- column
- aqueous layer
- layer
- returned
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000018044 dehydration Effects 0.000 title abstract 4
- 238000006297 dehydration reaction Methods 0.000 title abstract 4
- 238000010533 azeotropic distillation Methods 0.000 title abstract 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 abstract 3
- 238000010908 decantation Methods 0.000 abstract 3
- 150000001298 alcohols Chemical class 0.000 abstract 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 150000001412 amines Chemical class 0.000 abstract 1
- 230000005587 bubbling Effects 0.000 abstract 1
- -1 chlorhydrins Chemical class 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 150000002576 ketones Chemical class 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/36—Azeotropic distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR693766X | 1937-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB515025A true GB515025A (en) | 1939-11-23 |
Family
ID=9042469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15203/38A Expired GB515025A (en) | 1937-05-25 | 1938-05-21 | Improvements in or relating to dehydration by azeotropic distillation |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2194851A (enrdf_load_stackoverflow) |
| BE (1) | BE427505A (enrdf_load_stackoverflow) |
| CH (1) | CH203686A (enrdf_load_stackoverflow) |
| DE (1) | DE693766C (enrdf_load_stackoverflow) |
| FR (1) | FR832892A (enrdf_load_stackoverflow) |
| GB (1) | GB515025A (enrdf_load_stackoverflow) |
| NL (1) | NL54420C (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2878167A (en) * | 1952-11-25 | 1959-03-17 | Melle Usines Sa | Manufacture of highly pure ethyl alcohol |
| GB2198049A (en) * | 1986-12-01 | 1988-06-08 | Borsodi Vegyi Komb | Process for the decrease in or complete removal of the water content of heat-sensitive liquid materials |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2584036A (en) * | 1946-04-13 | 1952-01-29 | Merck & Co Inc | Azeotropic dehydration of aqueous chloral mixtures |
| US2517934A (en) * | 1946-11-18 | 1950-08-08 | Phillips Petroleum Co | Production of alkyl disulfide |
| US2606864A (en) * | 1947-03-24 | 1952-08-12 | Shawinigan Chem Ltd | Process of refining chloral |
| US2854385A (en) * | 1953-12-24 | 1958-09-30 | Melle Usines Sa | Treatment of acetic acid and mixtures thereof |
| GB963451A (en) * | 1959-11-16 | 1964-07-08 | Apv Co Ltd | Separation of hydrocarbon mixtures by distillation |
| FR1454462A (fr) * | 1965-08-12 | 1966-02-11 | Raffinage Cie Francaise | Procédé de récupération des alkylamides |
| FR2045610A1 (enrdf_load_stackoverflow) * | 1969-06-09 | 1971-03-05 | Ugine Kuhlmann | |
| DE3142518A1 (de) * | 1981-10-27 | 1983-05-05 | Chemische Werke Hüls AG, 4370 Marl | Destillationsverfahren zur herstellung von entwaessertem ethanol |
| FI79107C (fi) * | 1984-06-25 | 1989-11-10 | Orion Yhtymae Oy | Foerfarande foer framstaellning av stabil -form av prazosinhydroklorid. |
| FR2690925B1 (fr) * | 1992-05-11 | 1996-12-13 | Cogat Pierre Olivier | Procede et materiel d'extraction, concentration, classement de composes volatils, entrainables, sapides et/ou solubles en melange hydroalcoolique a partir de solides vegetaux et animaux. |
| US5346593A (en) * | 1993-06-18 | 1994-09-13 | The M. W. Kellogg Company | Intermediate reboiler for a methanol plant |
| US5435892A (en) * | 1993-08-30 | 1995-07-25 | Mitsubishi Rayon Co., Ltd. | Process for separating methanol and methyl acrylate or methyl methacrylate |
| US9593090B2 (en) * | 2013-07-29 | 2017-03-14 | Lyondell Chemical Technology, L.P. | Alkylene oxide separation systems, methods, and apparatuses |
-
0
- NL NL54420D patent/NL54420C/xx active
- BE BE427505D patent/BE427505A/xx unknown
-
1937
- 1937-05-25 FR FR832892D patent/FR832892A/fr not_active Expired
- 1937-08-14 DE DE1937M0138942 patent/DE693766C/de not_active Expired
-
1938
- 1938-05-19 CH CH203686D patent/CH203686A/fr unknown
- 1938-05-21 GB GB15203/38A patent/GB515025A/en not_active Expired
- 1938-05-21 US US209315A patent/US2194851A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2878167A (en) * | 1952-11-25 | 1959-03-17 | Melle Usines Sa | Manufacture of highly pure ethyl alcohol |
| GB2198049A (en) * | 1986-12-01 | 1988-06-08 | Borsodi Vegyi Komb | Process for the decrease in or complete removal of the water content of heat-sensitive liquid materials |
| GB2198049B (en) * | 1986-12-01 | 1991-04-17 | Borsodi Vegyi Komb | Process for the decrease in or complete removal of the water content of heat-sensitive liquid materials |
Also Published As
| Publication number | Publication date |
|---|---|
| CH203686A (fr) | 1939-03-31 |
| US2194851A (en) | 1940-03-26 |
| DE693766C (de) | 1940-07-20 |
| BE427505A (enrdf_load_stackoverflow) | |
| NL54420C (enrdf_load_stackoverflow) | |
| FR832892A (fr) | 1938-10-04 |
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